Guidance, Navigation & Control Engineer III (Senior)

Company: Lockheed Martin
Location: Sunnyvale
Posted on: April 4, 2026

Job Description:

About Lockheed Martin Space: Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you About the Role Leverage senior engineering experience by joining a Guidance Navigation Control (GN&C) team that designs, develops, and fields advanced control technologies for defense and commercial customers. As a senior engineer, you will collaborate and develop algorithms that will shape the next generation of flight, surface, and space control subsystems, ensuring they meet Lockheed Martin’s rigorous product standards and mission objectives. What You'll Do • Perform as a senior GN&C engineer and system integrator through concept, simulation, model based design, hardware in the loop testing, and flight ready prototype delivery. • Produce detailed algorithmic specifications, implementation requirements, documentation, and verification plans. • Coordinate closely with perception, mission planning, simulation, and test teams for seamless system integration. • Translate customer operational needs into technical solutions that leverage cutting edge GN&C capabilities. • Communicate technical strategies, risks, and progress to senior leadership, program managers, and external partners. How You’ll Deliver • End to end development cycles from initial concept through qualification and fielding. • Develop and validate control algorithms using Matlab/Simulink and generate auto code for target hardware. • Perform stability analysis, Monte Carlo simulations, and PID/PD controller tuning to meet performance targets. • Mentor junior engineers, fostering a culture of technical excellence and continuous learning. • Stay current with GN&C advancements and incorporate state of the art approaches across perception, planning, and control domains. Successful applicants generally possess 3 years of related experience and may have a post-secondary degree or training in a related discipline. Skill Requirements: : • Proven experience with Matlab / Simulink and programming in Python, C, C++, or Fortran. • Deep understanding of classical control concepts (PID/PD controllers, stability analysis, Monte Carlo analysis). • Strong verbal and written communication skills. Security Clearance / Work Authorization : • To meet requirements of the program/customer, this position requires the selected employee to be a U.S. Citizen. • Applicants must be able to obtain Final Secret clearance to be considered qualified. • Although not required to start, the selected applicant must be eligible to obtain, and maintain, a government issued Secret clearance for long term employment on this program. Desired skills • Experience modeling and controlling 3 phase motor systems. • Hands on work with FPGAs or microcontrollers, including auto code generation from Simulink. • Leadership experience guiding small engineering teams. • Design or test experience with missile or space segment subsystems • Familiarity with change control processes. Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration. * At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility. If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs , and apply for roles that align with your qualifications. Other Important Information By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings. Ability to work remotely Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility. Work Schedule Information Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires a government security clearance, you must be a US Citizen for consideration. Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $101,000 - $178,135. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year. This position is incentive plan eligible. Pay Rate: The annual base salary range for this position in most major metropolitan areas in California, Massachusetts, and New York is $116,200 - $201,365. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. This position is incentive plan eligible.

Keywords: Lockheed Martin, West Sacramento , Guidance, Navigation & Control Engineer III (Senior), Engineering , Sunnyvale, California